vw.t4.wd.79 - climatronic - aes (automatic transmission) from sep 98

8/9/2019 Vw.t4.Wd.79 - Climatronic - AES (Automatic Transmission) From Sep 98

1/10

Edition 10/98USA.5272.11.21

Wiring diagram

Deviate relay location and fuseplacements as well as the locations of multiple connectors see section ”com-ponent locations”.

30 A - green

25 A - white

20 A - yellow

15 A - blue10 A - red7,5 A - brown5 A - beige3 A - violet

Fuse colors

654321

7 8 9 10 11 12

1 2 3 4 5 6 7 8 9 1 0 11 1 2 1 3 14 1 5 16 17 1 8 19 20 21 2 2

97--23232

1716151413

T K m . L . K L K K L 5 8b K L 1 5A K L 1 5A K L 1 5 K L X A K L 3 0 K L 3 0 K L 3 0 H G

1 Relay for Climatronic (140)

Note: Number in parentheses indicates productioncontrol number stamped on relay housing.

EuroVan No. 79/1

Climatronic,from September 1998

2.8 L- Engine - Motronic Multiport Fuel Injection (MFI)/103 kW,code AES, with automatic transmission


2/10

3015 X 31

3015 X 31

W/1 U2/2

V 68G 92

1 2 3 4 5 6 7 8 9 10 11 12 13 14

22

T32/3J 285

T28b/18

20

0,5sw/ro

0,5sw/gn

0,5sw/gr

0,5bl/sw

0,5bl/br

T28a/8

T T T24/20 24/23 24/24

T T T5/1 5/4 5/5T5/3 T5/2

97--23921

M

TV 13

J 255M

E87 L75L76

í

G56 V 42 T28b/8 T28b/3

ws/bl0,35

bl/ws0,5

bl/ws0,35

T28a/11 T28a/14

ro/ws0,35

T8a/2 T8a/3

118 122

ro/ws0,5

sw/ro0,5

J 220T68/65

bl/ws0,5

Edition 10/98USA.5272.11.21

Wiring diagram

Climatronic control module, A/C control head, temperature regulator flap motor,temperature regulator flap motor position sensor

ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = grey

ge = yellowli = violet

No. 79/2 EuroVan

E87 - A/C Control HeadG56 - Instrument Panel Interior Temperature Sensor

G92 - Temperature Regulator Flap Motor PositionSensorJ220 - Motronic Engine Control Module (ECM), in

engine compartment, leftJ255 - Climatronic Control ModuleJ285 - Control module with indicator unit in

instrument panel insertL75 - Digital Display LightL76 - Push Button LightT5 - 5-Pin Connector, behind instrument panel,

centerT8a - 8-Pin Connector, behind fuse/relay panelT24 - 24-Pin Connector, behind instrument panel, left

T28a - 28-Pin Connector, redT28b - 28-Pin Connector, blue

T32 - 32-Pin Connector, blueT68 - 68-Pin Connector, on Motronic Engine Control

Module (ECM)TV13 - Vehicle Speed Signal Wire Connector, blueV42 - Interior Temperature Sensor FanV68 - Temperature Regulator Flap Motor


3/10

3015 X 31

3015 X 31

0,35ge/sw

0,5ge/bl

T T24/6 24/

J 255

T28b/

4

L39

15 16 17 18 19 20 21 22 23 24 25 26 27

M

T T T5a/1 5a/2 5a/4

0,35ge/ro

T24/

T28b/

5

T5a/5 T5a/3

T28b/20

0,35gn/sw

0,35gn/ws

T T24/1 24/4

T28b/

6

M

T T T5b/1 5b/2 5b/4

0,35gn

T24/5

T28b/7

T5b/5 T5b/3

V 85G114 V 70

0,5gr

0,5bl

0,5ws

0,5ge

0,5sw

0,5gr

0,5bl

0,5ws

0,5ge

0,5sw

0,5gn/sw

0,5gn/ws

0,5gn

0,5bl/sw

0,5ge/sw

0,5ge/bl

0,5ge/ro

0,5bl/sw

10 11

0,5bl/sw

0,5bl/sw

97--23922

T24/9

28

6

bl/br0,5

bl/br0,5

G 112

10

bl/br0,5

T24/2

T28c/3

T1d

T32a/26J 285

li0,5

li0,35

L40

T28b/17T28b/16

32

Edition 10/98USA.5272.11.21


ge = yellow

Wiring diagram

Climatronic control module, central air flap motor, central flap motor positionsensor, footwell/defroster flap motor, footwell/defrost flap motor position sensor

li = violet

EuroVan No. 79/3

G112 - Central Flap Motor Position SensorG114 - Footwell/Defrost Flap Motor Position Sensor

J255 - Climatronic Control ModuleJ285 - Control module with indicator unit in

instrument panel insertT1d - Single Connector, behind fuse/relay panelT5a - 5-Pin Connector, behind instrument panel,

centerT5b - 5-Pin Connector, behind instrument panel,

centerT24 - 24-Pin Connector, behind instrument panel,

rightT28b - 28-Pin Connector, blueT28c - 28-Pin Connector, whiteT32a - 32-Pin Connector, green

V70 - Central Air Flap Motor

V85 - Footwell/Defroster Flap Motor

L39 - Wire connection (A/C Pressure Switch) -1-, inClimatronic wiring harnessL40 - Wire connection (A/C Pressure Switch) -2-, in

Climatronic wiring harness

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4/10

T28a/17

3015 X 31

3015 X 31

29 30 31 32 33 34 35 36 37 38 39 40 41 42

T T T

T T

3a/1 3a/3 3a/2

6c/6 24/ 14

J 255

97--23351

T28b/14T28a/

23

T28b/2

G107 2

1í

2

1í

2

1í

T

T28b/1

81

T5d/3 T5d/4 T5d/5

0,35ws/ro

T28a/27

T 24/1624/ 15

N53

L56

G110 G152 G17

T4e/4

0,5sw/ws

0,5sw/gn

0,5gr/sw

0,5ws/ro

T4e/3

0,5ro/ws

0,35ws

T28b/

15

T6c/5

22

sw1,0

bl/br0,5

L72

bl/br0,35

ws/ro0,5

br/ge0,5

L76 L75

T28c/8

4

T28c/14

ge0,5

gn0,5

2

gr/bl0,5

5

br0,5

3

sw/ge0,5

1

59 39

br0,5

110

a

E265

T6d/2 T6d/6

T6d/3

T6d/5

T28b/19

0,5br/sw

0,35ws/ge

0,5bl/br

0,5ws/ro

0,35br/ge

0,35sw/ws

0,35sw/gn

39

Edition 10/98USA.5272.11.21

Wiring diagram

Climatronic control module, A/C control head rear, sunlight photo sensor, outside air temper-ature sensor, front vent temperature sensor, A/C engine coolant temperature (ECT) sensor



No. 79/4 EuroVan

E265 - A/C Control Head rear

G17 - Outside Air Temperature Sensor, on frontbumper leftG107 - Sunlight Photo Sensor, on instrument panel, leftG110 - A/C Engine Coolant Temperature (ECT) Sensor,

in engine compartment, leftG152 - Front Vent Temperature Sensor, on console for

footwell, left vent sideJ255 - Climatronic Control ModuleL75 - Digital Display LightL76 - Push Button LightN53 - Vacuum Valve RailT3a - 3-Pin Connector, behind instrument panel, leftT4e - 4-Pin Connector, behind fuse/relay panel

T5d - 5-Pin ConnectorT6c - 6-Pin Connector, behind fuse/relay panel

T6d - 6-Pin Connector, behind fuse/relay panel

T24 - 24-Pin Connector, behind instrument panel,rightT28a - 28-Pin Connector, redT28b - 28-Pin Connector, blueT28c - 28-Pin Connector, white

110 - Ground connection -2-, in instrument panelwiring harness

L56 - Connector (Sensor), in wiring harnessClimatronic

L72 - Connector (Photo Sensor), in wiring harnessClimatronic

http://prevpage/http://prevpage/


5/10

3015 X 31

3015 X 31

F129 3 41M

2,5br

V 2T3/1

T3/3 T3/2

J126

0,35gr/sw

0,35br/ws

0,5br/ws

0,5gr/sw

0,5bl

0,35bl/ro

0,35ro/sw

46

T8a/8 T8a/6 T4e/2

125

0,5bl/ro

0,5bl/ro

0,5ro/sw

0,5sw/ge

1,0sw/ge

126

0,5sw/ge

L57 L58

T24/12 T24/

33

97--23923

J255

43 44 45 46 47 48 49 50 51 52 53 54 55 56

T28a/10 T28a/19 T28a/18 T28b/11 T28b/13

T24/817

T24/18

0,5bl

2

T8a/5

2,5br/ro

90

6S30A

Q/2

T28a/20

50

2,5sw

a

sw/ge1,0

A61

91

T28a/13bl/ro0,35

T1u

J 220T68/39

bl/ro0,5

T28a/21

J 220T68/37

gn0,5

T1t

sw/ge0,5

sw/ge1,0

sw/ge0,35

sw/ge0,5

Edition 10/98USA.5272.11.21


ge = yellow

Wiring diagram

Climatronic control module, A/C pressure switch, control module for fresh airblower, fresh air blower

li = violet

EuroVan No. 79/5

F129 - A/C Pressure SwitchJ126 - Control module for fresh air blower

J220 - Motronic Engine Control Module (ECM), inengine compartment, left

J255 - Climatronic Control ModuleJ285 - Control module with indicator unit in

instrument panel insertT1t - Single Connector (Connection A/C), behind

fuse/relay panelT1u - Single Connector (Connection A/C), behind

fuse/relay panelT3 - 3-Pin ConnectorT4e - 4-Pin Connector, behind fuse/relay panelT8a - 8-Pin Connector, behind fuse/relay panelT24 - 24-Pin Connector, behind instrument panel,

rightT28a - 28-Pin Connector, red

T28b - 28-Pin Connector, blueT68 - 68-Pin Connector

V2 - Fresh Air Blower

33 - Ground connection, behind instrument panel,right

A61 - Plus Connection (X), in Instrument clusterwiring harness

L57 - Connector (Pressure switch for A/C) -1- inwiring harness Climatronic - Fan for coolant

L58 - Connector (Pressure switch for A/C) -2- inwiring harness Climatronic - Fan for coolant


6/10

3015 X 31

3015 X 31

M 20

57 58 59 60 61 62 63 64 65 66 67 68

V 2

1

G1531

2

154

245

G

J 349

4f/4T

4d/4T

T28c/19 T28c/12 T28c/10

0,5br/gn

0,35bl/ge

0,35ge

4f/3T

6b/6T

33

244

97--23353

1

3 2

2,5br/gn

2,5br

0,5sw/br

0,5sw/br

J 255

T28c/18

0,5br/bl

T28c/20

0,5sw/br

6c/1T6b/2T6b/1T 6b/5T

94

í

ro/ws

í

69 70

1bT

6,0ro/ws

2,5ro/ws

0,5bl/ge

2,5br/gn

2

1

2,5

T28a/5

0,35ro

97

Q/6 U1/14 R/4 P/7

0,5gr/bl

0,35gr/bl

0,5gr/bl

0,5gr/bl

ET32/20

P/9 D/12

L3920

0,5ge

gr/bl0,5

37

A53

T28a/24

J 285T6d/1

gr/bl0,35

Edition 10/98USA.5272.11.21

Wiring diagram

Climatronic control module, rear evaporator temperature sensor, rear heater coretemperature sensor, control module for blower for evaparator, rear evaporator fan



No. 79/6 EuroVan

E20 - Instrument Panel Light Dimmer Switch

G153 - Rear Evaporator Temperature SensorG154 - Rear Heater Core Temperature SensorJ255 - Climatronic Control ModuleJ285 - Control module with indicator unit in

instrument panel insertJ349 - Control module for blower for evaparatorL39 - Rear Window Defogger Switch LightT1b - Single Connector, behind trim D-pillar right,

lowerT4d - 4-Pin Connector, behind fuse/relay panelT4f - 4-Pin Connector, behind trim D-pillar right,

lowerT6b - 6-Pin Connector, behind fuse/relay panel

T6c - 6-Pin Connector, behind fuse/relay panelT6d - 6-Pin Connector, behind fuse/relay panel

T28a - 28-Pin Connector, red

T28c - 28-Pin Connector, whiteT32 - 32-Pin Connector, blueV20 - Rear Evaporator Fan

33 - Ground connection, behind instrument panel,right

244 - Ground connection (Sensor ground), in wiringharness Climatronic

245 - Ground connection in wiring harness blower for2nd Evaporatur

A53 - Plus connection (58b), in instrument panelwiring harness


7/10

T6b/3

3015 X 31

3015 X 31

S16

2

1

1,0sw

T28c/1

0,5br/ws

15A

Q/4

1,5sw

T28a/1

40

1,0sw

0,5sw

2

1

2

1

1,0br

78

79

30

95

T28c/11 T28a/22

0,5gr

0,35li/ws

J 255

71 72 73 74 75 76 77 78 79 80 81 82 83 84

97--23354

111

1,0sw

T6b/4

N147 N172N43

T4f/1 T4f/2

1,0sw

1,0sw

T6c/2

T28c/15

0,5br/bl

1,0br/sw

1,0sw

T28a/9

TV 14

gr/ws0,5

A76

A20

X/4 M/5 U1/4

br/ws1,0

L68

Edition 10/98USA.5272.11.21


ge = yellow

Wiring diagram

Climatronic control module, A/C refrigerant shut-Off valve, engine coolanttwo-way vacuum valve, auxiliary heater valve

li = violet

EuroVan No. 79/7

J255 - Climatronic Control Module

N43 - A/C Refrigerant Shut-Off Valve, behind trimD-pillar right, lowerN147 - Engine Coolant Two-way Vacuum Valve, on

firewall, leftN172 - Auxiliary Heater Valve, on firewall, leftT4f - 4-Pin Connector, behind trim D-pillar right,

lowerT6b - 6-Pin Connector, behind fuse/relay panelT6c - 6-Pin Connector, behind fuse/relay panelT28a - 28-Pin Connector, redT28c - 28-Pin Connector, whiteTV14 - Data Link Connector (DLC) wire Connector,

white

30 - Ground connection, -1-, beside fuse/relay panel

A20 - Wire connection (15a), in instrument panelwiring harness

A76 - Connector (K-diagnosis wire), in instrumentpanel wiring harness

L68 - Connection 2 (sensor) in Climatronic wiringharness


8/10

3015 X 31

3015 X 31

85 86 87 88 89 90 91 92 93 94 95 96 97 98

M V 47

SB 1530A

86

4 2

5

J 323

/+A

2,5ro/bl

2,5ro/gn

4d/2T 4d/1T

71

2,5ro/ws

2,5ro/sw

J 350

6c/4T 4d/3T

T28c/6

0,35li/sw

0,5br/ro

6c/3T

30

97--23355

3

2 12,5

br/ro2,5

br/ro4,0br

0,35li/ws

J 255

bc

T28a/12 T28b/12

55

0,5gr/ro

69

4,0ro/sw

2

1

243

Q/1

1,5br

N/3

2,5ro/ge

2,5ro

57

4,0ro

0,35ro

Y/2

e

110 110 110

sw/ge0,5

N/1N/6

E3sw2,5

li/ge0,35

gr0,35

ro1,5

ro/bl2,5

ro/gn2,5

A1

ro2,5

ro2,5

SB 1330A

SB 1430A

T28c/4

0,35gr/ro

0,5br

T28a/

15

T28c/

7

0,5br

3

47

T8c/8

Edition 10/98USA.5272.11.21

Wiring diagram

Climatronic control module, control module for warm air blower, fan relay,rear warm air fan



No. 79/8 EuroVan

A - Battery

E3 - Emergency Flasher SwitchJ255 - Climatronic Control ModuleJ323 - Fan Relay, control number (114), behind

instrument panel, centerJ350 - Control module for warm air blowerSB13 - Fuse 13 in fuse holder, below relay panelSB14 - Fuse 14 in fuse holder, below relay panelSB15 - Fuse 15 in fuse holder, below relay panelT4d - 4-Pin Connector, behind fuse/relay panelT6c - 6-Pin Connector, behind fuse/relay panelT8c - 8-Pin Connector, on Emergency Flasher SwitchT28a - 28-Pin Connector, redT28b - 28-Pin Connector, blue

T28c - 28-Pin Connector, whiteV47 - Rear Warm Air Fan

30 - Ground connection, -1-, beside fuse/relay panel

110 - Ground connection -2-, in instrument panelwiring harness

243 - Ground connection -1- in wiring harness,Climatronic

A1 - Plus connection (30a), in instrument panelwiring harness


9/10

3015 X 31

3015 X 31

97--23924

N/2N/5

N25

1

4/8 6/4

3/3

7/1

8/6 5/7 1/2 2/5

bc

N/4

2

1

M

S 1910A

A1/5

A49

e

T8a/7 T8a/4

J 254

125

V 51

T1v T1

2

1

í F95

br/gn1,0

gr1,0

gr1,0

172 18

br1,5

gr1,0

84

100 101 102 103 104 105 106 10799 108 109 110 111 112

gr0,5

118

ro/bl1,0

ro1,0

gn/ge1,0

gn/ro1,5

gn0,5

T2/1

T2/2

Edition 10/98USA.5272.11.21


ge = yellow

Wiring diagram

Relay for climatronic, A/C clutch, after-run coolant thermal switch, after-runcoolant pump

li = violet

EuroVan No. 79/9

F95 - After-Run Coolant Thermal SwitchJ254 - Relay for Climatronic, control number (140),

switch delay time 1/2 secondN25 - A/C ClutchT1 - Single Connector, behind fuse/relay panelT1v - Single Connector, behind fuse/relay panelT2 - Double Connector, in engine compartment,

right frontT8a - 8-Pin Connector, behind fuse/relay panelV51 - After-Run Coolant Pump

18 - Ground connection, on engine block

172 - Ground connection, in engine compartmentclimatronic wiring harness

A49 - Wire connection -1-, in instrument panel wiringharness


10/10

N

J

F

V

F

V

A

3015 X 31

3015 X 31

113 114 115 116 117 118 119 120 121 122 123 124 125 126

97--23925

39M7

3 1 2

39N

2 1 3

M

/--

26

í

T4b/4 T4a/1 T4a/2 T4c/4 T4a/4

T4b/1 T4b/3 T4b/2 T4c/2 T4c/3 T4c/1

1,0ro/ws

1,0sw/ro

18

2/+ 1/D 2/A

1/1 3/2 4/B 3/C

165í í í

35

T4a/3

T4g/4 T4h/2

172 172172

SA 350A

sw16,0

ro1,0

sw/ro0,5

SA 250A

A /+

3 2

ro

6,0

ro/ws

6,0

114123

14

ro/ws0,5

12

sw/ro0,5

ro/ws0,5

ro/ws6,0

T1w

109

K25

K26

K22K21

br6,0

br0,5

sw4,0

sw6,0

T4g/1ws4,0

sw6,0

ge4,0

ge/sw4,0

ro/sw4,0

ro/sw6,0

ro/sw6,0

T4h/1

br6,0

br6,0

sw/ws0,5

51

sw/ge0,5

104

gn0,5

F163

bl/ro0,5

45

A /--

ws/sw4,0

Edition 10/98USA.5272.11.21

Wiring diagram

Coolant fan control (FC) relay, coolant fan control (FC) thermal switch, A/C cut-outthermal switch, third speed coolant fan control (FC) thermal switch, coolant fan



No. 79/10 EuroVan

A - Battery

F18 - Coolant Fan Control (FC) Thermal SwitchF163 - A/C Cut-Out Thermal SwitchF165 - Third Speed Coolant Fan Control (FC) Thermal

Switch, in engine compartment, frontJ26 - Coolant Fan control (FC) Relay, in engine

compartment, left frontN39 - Coolant Fan Control (FC) Series ResistanceSA2 - Fuse -2- in fuse bracket/batterySA3 - Fuse -3- in fuse bracket/batteryT1w - Single Connector, behind fuse/relay panelT4a - 4-Pin ConnectorT4b - 4-Pin ConnectorT4c - 4-Pin Connector

T4g - 4-Pin Connector, near coolant fanT4h - 4-Pin Connector, near coolant fan

V7 - Left Coolant Fan (450 W)

V35 - Right Coolant Fan (450 W)

172 - Ground connection, in engine compartmentclimatronic wiring harness

K21 - Wire connection -1-, in coolant fan wiringharness




vw.t4.wd.79 - climatronic - aes (automatic transmission) from sep 98

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